56% (2011)

48% (2013)

0% (2001)

0% (2002)

42% (2017)

56% (2008)

58% (2010)

45% (2007)

55% (2008)

53% (2008)

40% (2016)

52% (2015)

20% (2010)

48% (2010)

0% (2000)

10% (1999)

0% (2000)

0% (1997)

65% (2010)

40% (2011)